Manual Pages for UNIX Operating System command usage for man bdiff

User Commands                                            bdiff(1)



NAME
     bdiff - big diff

SYNOPSIS
     bdiff filename1 filename2 [n] [-s]


DESCRIPTION
     bdiff is used in a manner analogous to diff  to  find  which
     lines  in  filename1  and filename2 must be changed to bring
     the files into agreement. Its purpose is to allow processing
     of  files too large for diff. If filename1 (filename2) is -,
     the standard input is read.


     bdiff ignores lines common to the beginning of  both  files,
     splits  the remainder of each file into n-line segments, and
     invokes diff on corresponding  segments.  If  both  optional
     arguments are specified, they must appear in the order indi-
     cated above.


     The output of bdiff is  exactly  that  of  diff,  with  line
     numbers  adjusted to account for the segmenting of the files
     (that is, to make it look as if the files had been processed
     whole). Note:  Because of the segmenting of the files, bdiff
     does not necessarily find a smallest sufficient set of  file
     differences.

OPTIONS
     n      The number of line segments. The value of n  is  3500
            by  default.  If the optional third argument is given
            and it is numeric, it is used as  the  value  for  n.
            This is useful in those cases in which 3500-line seg-
            ments are too large for diff, causing it to fail.


     -s     Specifies that no diagnostics are to  be  printed  by
            bdiff  (silent option). Note:  However, this does not
            suppress  possible  diagnostic  messages  from  diff,
            which bdiff calls.


USAGE
     See largefile(5) for the  description  of  the  behavior  of
     bdiff  when  encountering  files  greater than or equal to 2
     Gbyte ( 2^31 bytes).

FILES
     /tmp/bd?????





SunOS 5.11          Last change: 14 Sep 1992                    1






User Commands                                            bdiff(1)



ATTRIBUTES
     See attributes(5) for descriptions of the  following  attri-
     butes:



     ________________________________________________________________
    |       ATTRIBUTE TYPE        |         ATTRIBUTE VALUE         |
    |_____________________________|_________________________________|
    | Availability                | system/extended-system-utilities|
    |_____________________________|_________________________________|
    | CSI                         | enabled                         |
    |_____________________________|_________________________________|


SEE ALSO
     diff(1), attributes(5), largefile(5)

DIAGNOSTICS
     Use help for explanations.



































SunOS 5.11          Last change: 14 Sep 1992                    2